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Stem cell secretome-treatment improves whole-body metabolism, reduces adiposity and promotes skeletal muscle function in aged mice

GSE242211 Mus musculus (mouse) RNA-seq (gene expression) 20 samples Submitted 2024/07/31 Platform GPL24247
At a glance

RNA-seq (gene expression) · mouse · 20 samples

What it is
RNA-seq (gene expression)Gene activity measured by sequencing. The summary does not mention single-cell work, so this is most likely bulk: one average per sample, the usual starting point for comparing groups.
Organism
Mus musculus (mouse)
Samples
20 samples: 20 samples, each with a distinct title — no replicated groupsGroups are read from the sample names, not from the paper. Check the list below.
Data you can get
A processed table (series matrix) and supplementary files from NCBI; the raw sequencing reads from ENA. Which of these hold counts depends on the study, so check the file list.
Paper
Stem cell secretome treatment improves whole-body metabolism, reduces adiposity, and promotes skeletal muscle function in aged miceAging cell · 2024
Summary (written by the submitters)
Aging coincides with the progressive loss of muscle mass and strength, increased adiposity, and diminished physical function. Accordingly, interventions aimed at improving muscle, metabolic, and/or physical health are of interest to mitigate the adverse effects of aging. In this study, we tested a stem-cell secretome product which contains a host of growth, cytoskeletal remodeling, and immunomodulatory factors.
Read the full summary ↓
We examined the effects of 4 weeks of bi-weekly unilateral intramuscular secretome injections (quadriceps) in ambulatory aged male C57Bl/6 mice (22-23 months) compared to saline injected aged-matched controls. After 4 weeks of treatment, secretome delivery substantially increased whole body lean mass and decreased fat mass corresponding to higher fiber cross sectional area and smaller adipocyte size, respectively. Secretome-treated mice also displayed improved whole-body grip strength and rotarod performance and had higher energy expenditure and physical activity levels compared to control mice. Furthermore, secretome-treated mice had greater skeletal muscle Pax7+ cell abundance, capillary density, and collagen turnover. Finally, the secretome product reduced lipid content and lipid droplet size in adipocytes in vitro. These data suggest intramuscular treatment secretome improves whole-body metabolism, physical function, and remodels skeletal muscle and adipose tissue in aged mice.
Published in
Stem cell secretome treatment improves whole-body metabolism, reduces adiposity, and promotes skeletal muscle function in aged mice
Fennel ZJ, Bourrant PE, Kurian AS et al. · Aging cell 2024 · PMID 38500398 · doi:10.1111/acel.14144
This dataset
Download · which file do I need?

Direct links to NCBI and ENA, no account and no request form. Pick by what you want to do: take the small processed table to look, the supplementary files to re-analyse, or the original raw data to start over.

1 · Just have a look

Processed table

The series matrix: one table of values per sample as the submitters processed it. The smallest download, and it opens in Excel or R. Start here to see what the data look like.

2 · Re-analyse it

Supplementary files

The count tables and other files the authors uploaded. Take only the samples you need, or the whole study as GSE242211_RAW.tar (it can run to tens of gigabytes).

3 · Start from the raw reads

Raw sequencing reads

The original FASTQ files, straight from the sequencer, held at ENA. Large, and you align them yourself, so only choose this if you need to re-process the study from scratch.

What the files usually look like: For RNA-seq the counts are usually a table among the supplementary files (look for 'counts', 'expression', 'FPKM' or 'TPM' in the file name). The series matrix of a sequencing study is sometimes nearly empty.

Also filed as BioProject PRJNA1011995 and SRA study SRP458090. Searching any of these in the dataset finder brings you back here.

Study design
20 samples, each with a distinct title — no replicated groups

Any grouping that defines a comparison lives in the sample characteristics, which GEO records separately from the titles.

How we read this: Read from 20 sample titles: 20 distinct titles with little repetition. These groups are guessed from the sample names, not taken from the paper, so check them against the sample list below before relying on them.

Samples in this study
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Metadata from NCBI GEO, cached and refreshed periodically — the NCBI page above is authoritative. Downloads link straight to NCBI/ENA; nothing is proxied through BioTransfer.